* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        /*
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 30px;
        }
        */
        /* 主容器 - 动态布局 */
        .gallery-container {
            max-width: 600px;
            width: 100%;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            border-radius: 28px;
            padding: 20px;
            box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
        }
        
        /* 布局控制栏 */
        .layout-controls {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        
        .layout-btn {
            background: rgba(255,255,255,0.2);
            border: none;
            padding: 8px 20px;
            border-radius: 40px;
            color: white;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s;
            backdrop-filter: blur(4px);
        }
        
        .layout-btn:hover {
            background: rgba(255,255,255,0.3);
            transform: translateY(-2px);
        }
        
        .layout-btn.active {
            background: #ff6b6b;
            box-shadow: 0 4px 15px rgba(255,107,107,0.4);
        }
        
        /* 动态相册布局 */
        .gallery {
            display: flex;
            gap: 20px;
            transition: all 0.3s ease;
        }
        
        /* 大图区域 */
        .main-image-area {
            flex: 3;
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            background: #000;
            aspect-ratio: 16 / 10;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        
        .main-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .main-image:hover {
            transform: scale(1.02);
        }
        
        /* 大图信息遮罩 */
        .image-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            padding: 30px 24px 20px;
            color: white;
            transform: translateY(0);
            transition: transform 0.3s;
        }
        
        .image-info h2 {
            font-size: 1.8rem;
            margin-bottom: 8px;
            font-weight: 600;
        }
        
        .image-info p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 10px;
        }
        
        .image-info .tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        
        .image-info .tag {
            background: rgba(255,255,255,0.2);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            backdrop-filter: blur(4px);
        }
        
        /* 索引图区域 - 通用样式 */
        .thumbnails-area {
            display: flex;
            gap: 12px;
            background: rgba(0,0,0,0.1);
            border-radius: 12px;
            padding: 12px;
            backdrop-filter: blur(8px);
        }
        
        /* 水平布局（上/下） */
        .gallery.horizontal-top .thumbnails-area,
        .gallery.horizontal-bottom .thumbnails-area {
            flex-direction: row;
            overflow-x: auto;
            overflow-y: visible;
        }
        
        /* 垂直布局（左/右） */
        .gallery.vertical-left,
        .gallery.vertical-right {
            flex-direction: row;
        }
        
        .gallery.vertical-left .thumbnails-area,
        .gallery.vertical-right .thumbnails-area {
            flex-direction: column;
            overflow-y: auto;
            overflow-x: visible;
            min-width: 120px;
        }
        
        /* 上下布局 */
        .gallery.horizontal-top {
            flex-direction: column;
        }
        
        .gallery.horizontal-bottom {
            flex-direction: column-reverse;
        }
        
        /* 索引图通用样式 */
        .thumbnail {
            cursor: pointer;
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            flex-shrink: 0;
        }
        
        /* 水平布局下的索引图尺寸 */
        .horizontal-top .thumbnail,
        .horizontal-bottom .thumbnail {
            width: 120px;
            height: 80px;
        }
        
        /* 垂直布局下的索引图尺寸 */
        .vertical-left .thumbnail,
        .vertical-right .thumbnail {
            width: 100px;
            height: 70px;
        }
        
        .thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }
        
        .thumbnail:hover {
            transform: translateY(-4px);
           /* box-shadow: 0 8px 20px rgba(0,0,0,0.3);*/
        }
        
        .thumbnail:hover img {
            transform: scale(1.05);
        }
        
        /* 激活的索引图 */
        .thumbnail.active {
            box-shadow:  0 4px 15px rgba(141, 204, 239, 0.788);
            transform: scale(1.02);
        }
        
        .thumbnail.active::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border: 2px solid #ff6b6b;
            border-radius: 14px;
            pointer-events: none;
        }
        
        /* 滚动条美化 */
        .thumbnails-area::-webkit-scrollbar {
            height: 6px;
            width: 6px;
        }
        
        .thumbnails-area::-webkit-scrollbar-track {
            background: rgba(255,255,255,0.1);
            border-radius: 10px;
        }
        
        .thumbnails-area::-webkit-scrollbar-thumb {
            background: #ff6b6b;
            border-radius: 10px;
        }
        
        /* 响应式 */
        @media (max-width: 768px) {
            body {
                padding: 15px;
            }
            
            .image-info h2 {
                font-size: 1.2rem;
            }
            
            .image-info p {
                font-size: 0.8rem;
            }
            
            .horizontal-top .thumbnail,
            .horizontal-bottom .thumbnail {
                width: 80px;
                height: 60px;
            }
            
            .vertical-left .thumbnail,
            .vertical-right .thumbnail {
                width: 70px;
                height: 50px;
            }
            
            .thumbnails-area {
                gap: 8px;
                padding: 8px;
            }
        }
        
        /* 触摸设备优化 */
        @media (hover: none) and (pointer: coarse) {
            .thumbnail:hover {
                transform: none;
            }
        }
        
        /* 加载动画 */
        .main-image {
            animation: fadeIn 0.3s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: scale(0.98); }
            to { opacity: 1; transform: scale(1); }
        }

/***********************************************************************************/
        /* 主容器 */
        .accordion-gallery {
            display: flex;
            width: 100%;
            max-width: 1000px;
            height: 250px;
            gap: 12px;
            border-radius: 24px;
            background: rgba(0,0,0,0.1);
            padding: 8px;
            backdrop-filter: blur(4px);
            align-items: center;  /* 底部对齐 */
        }
        
        /* 每个相册项 */
        .accordion-item {
            flex: 1;
            height:60%;
            position: relative;
            cursor: pointer;
            transition: flex 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            overflow: hidden;
            border-radius: 20px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.2);
            background: #1a1a2e;
        }
        
        .accordion-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        /* 悬停时图片放大效果 */
        .accordion-item:hover img {
            transform: scale(1.2);
        }
        
        /* 标题遮罩层 */
        .accordion-item .caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, 
                rgba(0,0,0,0.8) 0%, 
                rgba(0,0,0,0.3) 40%,
                transparent 100%);
            color: rgb(255, 255, 255);
            padding: 2px 5px 2px 40px;
            transform: translateY(100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(1px);
        }
        
        .accordion-item .caption h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            font-weight: 500;
            letter-spacing: 1px;
        }
        
        .accordion-item .caption p {
            font-size: 0.9rem;
            opacity: 0.9;
            line-height: 1.5;
        }
        
        .accordion-item .caption .tags {
            margin-top: 10px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        
        .accordion-item .caption .tag {
            background: rgba(255,255,255,0.2);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            backdrop-filter: blur(4px);
        }
        
        /* 展开状态 */
        .accordion-item.expanded {
            flex: 4.5;
            height: 100%;
            /*transform: translateY(-5%);*/
            box-shadow: 0 0 0 3px #ffd700, 0 8px 30px rgba(0,0,0,0.3);
        }
        
        .accordion-item.expanded .caption {
            transform: translateY(0);
        }
        
        /* 添加一个指示器，提示可以悬停 */
        .accordion-item::after {
            content: 'More...';
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(0,0,0,0.6);
            color: white;
            padding: 6px 12px;
            border-radius: 30px;
            font-size: 12px;
            opacity: 0;
            transition: opacity 0.3s;
            pointer-events: none;
            z-index: 10;
        }
        
        .accordion-item:hover::after {
            opacity: 0.7;
        }
        
        /* 当前选中项的标记 */
        .accordion-item.selected {
            box-shadow: 0 0 0 3px #ffd700, 0 8px 30px rgba(0,0,0,0.3);
        }
        
        /* 响应式 */
        @media (max-width: 768px) {
            .accordion-gallery {
                height: 450px;
                gap: 8px;
            }
            
            .accordion-item .caption {
                padding: 20px 12px 12px;
            }
            
            .accordion-item .caption h3 {
                font-size: 1rem;
            }
            
            .accordion-item .caption p {
                font-size: 0.7rem;
            }
            
            .accordion-item::after {
                font-size: 10px;
                padding: 4px 8px;
                top: 10px;
                right: 10px;
            }
        }
        
        /* 触摸设备优化 */
        @media (hover: none) and (pointer: coarse) {
            .accordion-item::after {
                content: '👇';
            }
            .accordion-item:hover::after {
                opacity: 0;
            }
        }